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<div class="subTitle">org.apache.commons.math3.linear</div>
<h2 title="Class ArrayRealVector" class="title">Class ArrayRealVector</h2>
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<ul class="inheritance">
<li><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<ul class="inheritance">
<li><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">org.apache.commons.math3.linear.RealVector</a></li>
<li>
<ul class="inheritance">
<li>org.apache.commons.math3.linear.ArrayRealVector</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="http://docs.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></dd>
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<pre>public class <span class="strong">ArrayRealVector</span>
extends <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>
implements <a href="http://docs.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre>
<div class="block">This class implements the <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear"><code>RealVector</code></a> interface with a double array.</div>
<dl><dt><span class="strong">Since:</span></dt>
  <dd>2.0</dd>
<dt><span class="strong">Version:</span></dt>
  <dd>$Id: ArrayRealVector.java 1538368 2013-11-03 13:57:37Z erans $</dd>
<dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../serialized-form.html#org.apache.commons.math3.linear.ArrayRealVector">Serialized Form</a></dd></dl>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.commons.math3.linear.<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></h3>
<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.Entry.html" title="class in org.apache.commons.math3.linear">RealVector.Entry</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.SparseEntryIterator.html" title="class in org.apache.commons.math3.linear">RealVector.SparseEntryIterator</a></code></li>
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<h3>Constructor Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector()">ArrayRealVector</a></strong>()</code>
<div class="block">Build a 0-length vector.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(org.apache.commons.math3.linear.ArrayRealVector)">ArrayRealVector</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v)</code>
<div class="block">Construct a vector from another vector, using a deep copy.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(org.apache.commons.math3.linear.ArrayRealVector, org.apache.commons.math3.linear.ArrayRealVector)">ArrayRealVector</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v1,
               <a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v2)</code>
<div class="block">Construct a vector by appending one vector to another vector.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(org.apache.commons.math3.linear.ArrayRealVector, boolean)">ArrayRealVector</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v,
               boolean&nbsp;deep)</code>
<div class="block">Construct a vector from another vector.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(org.apache.commons.math3.linear.ArrayRealVector, double[])">ArrayRealVector</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v1,
               double[]&nbsp;v2)</code>
<div class="block">Construct a vector by appending one vector to another vector.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(org.apache.commons.math3.linear.ArrayRealVector, org.apache.commons.math3.linear.RealVector)">ArrayRealVector</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v1,
               <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v2)</code>
<div class="block">Construct a vector by appending one vector to another vector.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(double[])">ArrayRealVector</a></strong>(double[]&nbsp;d)</code>
<div class="block">Construct a vector from an array, copying the input array.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(java.lang.Double[])">ArrayRealVector</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>[]&nbsp;d)</code>
<div class="block">Construct a vector from an array.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(double[], org.apache.commons.math3.linear.ArrayRealVector)">ArrayRealVector</a></strong>(double[]&nbsp;v1,
               <a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v2)</code>
<div class="block">Construct a vector by appending one vector to another vector.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(double[], boolean)">ArrayRealVector</a></strong>(double[]&nbsp;d,
               boolean&nbsp;copyArray)</code>
<div class="block">Create a new ArrayRealVector using the input array as the underlying
 data array.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(double[], double[])">ArrayRealVector</a></strong>(double[]&nbsp;v1,
               double[]&nbsp;v2)</code>
<div class="block">Construct a vector by appending one vector to another vector.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(double[], int, int)">ArrayRealVector</a></strong>(double[]&nbsp;d,
               int&nbsp;pos,
               int&nbsp;size)</code>
<div class="block">Construct a vector from part of a array.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(java.lang.Double[], int, int)">ArrayRealVector</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>[]&nbsp;d,
               int&nbsp;pos,
               int&nbsp;size)</code>
<div class="block">Construct a vector from part of an array.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(int)">ArrayRealVector</a></strong>(int&nbsp;size)</code>
<div class="block">Construct a vector of zeroes.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(int, double)">ArrayRealVector</a></strong>(int&nbsp;size,
               double&nbsp;preset)</code>
<div class="block">Construct a vector with preset values.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(org.apache.commons.math3.linear.RealVector)">ArrayRealVector</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Construct a vector from another vector, using a deep copy.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(org.apache.commons.math3.linear.RealVector, org.apache.commons.math3.linear.ArrayRealVector)">ArrayRealVector</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v1,
               <a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v2)</code>
<div class="block">Construct a vector by appending one vector to another vector.</div>
</td>
</tr>
</table>
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<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#add(org.apache.commons.math3.linear.RealVector)">add</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Compute the sum of this vector and <code>v</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#addToEntry(int, double)">addToEntry</a></strong>(int&nbsp;index,
          double&nbsp;increment)</code>
<div class="block">Change an entry at the specified index.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#append(org.apache.commons.math3.linear.ArrayRealVector)">append</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v)</code>
<div class="block">Construct a vector by appending a vector to this vector.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#append(double)">append</a></strong>(double&nbsp;in)</code>
<div class="block">Construct a new vector by appending a double to this vector.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#append(org.apache.commons.math3.linear.RealVector)">append</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Construct a new vector by appending a vector to this vector.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#checkVectorDimensions(int)">checkVectorDimensions</a></strong>(int&nbsp;n)</code>
<div class="block">Check if instance dimension is equal to some expected value.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#checkVectorDimensions(org.apache.commons.math3.linear.RealVector)">checkVectorDimensions</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Check if instance and specified vectors have the same dimension.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#combine(double, double, org.apache.commons.math3.linear.RealVector)">combine</a></strong>(double&nbsp;a,
       double&nbsp;b,
       <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;y)</code>
<div class="block">Returns a new vector representing <code>a * this + b * y</code>, the linear
 combination of <code>this</code> and <code>y</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#combineToSelf(double, double, org.apache.commons.math3.linear.RealVector)">combineToSelf</a></strong>(double&nbsp;a,
             double&nbsp;b,
             <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;y)</code>
<div class="block">Updates <code>this</code> with the linear combination of <code>this</code> and
 <code>y</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#copy()">copy</a></strong>()</code>
<div class="block">Returns a (deep) copy of this vector.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#dotProduct(org.apache.commons.math3.linear.RealVector)">dotProduct</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Compute the dot product of this vector with <code>v</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ebeDivide(org.apache.commons.math3.linear.RealVector)">ebeDivide</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Element-by-element division.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ebeMultiply(org.apache.commons.math3.linear.RealVector)">ebeMultiply</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Element-by-element multiplication.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#equals(java.lang.Object)">equals</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;other)</code>
<div class="block">
 Test for the equality of two real vectors.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#getDataRef()">getDataRef</a></strong>()</code>
<div class="block">Get a reference to the underlying data array.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#getDimension()">getDimension</a></strong>()</code>
<div class="block">Returns the size of the vector.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#getDistance(org.apache.commons.math3.linear.RealVector)">getDistance</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Distance between two vectors.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#getEntry(int)">getEntry</a></strong>(int&nbsp;index)</code>
<div class="block">Return the entry at the specified index.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#getL1Distance(org.apache.commons.math3.linear.RealVector)">getL1Distance</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Distance between two vectors.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#getL1Norm()">getL1Norm</a></strong>()</code>
<div class="block">Returns the L<sub>1</sub> norm of the vector.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#getLInfDistance(org.apache.commons.math3.linear.RealVector)">getLInfDistance</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Distance between two vectors.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#getLInfNorm()">getLInfNorm</a></strong>()</code>
<div class="block">Returns the L<sub>&infin;</sub> norm of the vector.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#getNorm()">getNorm</a></strong>()</code>
<div class="block">Returns the L<sub>2</sub> norm of the vector.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#getSubVector(int, int)">getSubVector</a></strong>(int&nbsp;index,
            int&nbsp;n)</code>
<div class="block">Get a subvector from consecutive elements.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#hashCode()">hashCode</a></strong>()</code>
<div class="block">.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#isInfinite()">isInfinite</a></strong>()</code>
<div class="block">Check whether any coordinate of this vector is infinite and none
 are <code>NaN</code>.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#isNaN()">isNaN</a></strong>()</code>
<div class="block">Check if any coordinate of this vector is <code>NaN</code>.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#map(org.apache.commons.math3.analysis.UnivariateFunction)">map</a></strong>(<a href="../../../../../org/apache/commons/math3/analysis/UnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">UnivariateFunction</a>&nbsp;function)</code>
<div class="block">Acts as if implemented as:</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#mapAddToSelf(double)">mapAddToSelf</a></strong>(double&nbsp;d)</code>
<div class="block">Add a value to each entry.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#mapDivideToSelf(double)">mapDivideToSelf</a></strong>(double&nbsp;d)</code>
<div class="block">Divide each entry by the argument.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#mapMultiplyToSelf(double)">mapMultiplyToSelf</a></strong>(double&nbsp;d)</code>
<div class="block">Multiply each entry.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#mapSubtractToSelf(double)">mapSubtractToSelf</a></strong>(double&nbsp;d)</code>
<div class="block">Subtract a value from each entry.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#mapToSelf(org.apache.commons.math3.analysis.UnivariateFunction)">mapToSelf</a></strong>(<a href="../../../../../org/apache/commons/math3/analysis/UnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">UnivariateFunction</a>&nbsp;function)</code>
<div class="block">Acts as if it is implemented as:</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/RealMatrix.html" title="interface in org.apache.commons.math3.linear">RealMatrix</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#outerProduct(org.apache.commons.math3.linear.RealVector)">outerProduct</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Compute the outer product.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#set(double)">set</a></strong>(double&nbsp;value)</code>
<div class="block">Set all elements to a single value.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#setEntry(int, double)">setEntry</a></strong>(int&nbsp;index,
        double&nbsp;value)</code>
<div class="block">Set a single element.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#setSubVector(int, double[])">setSubVector</a></strong>(int&nbsp;index,
            double[]&nbsp;v)</code>
<div class="block">Set a set of consecutive elements.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#setSubVector(int, org.apache.commons.math3.linear.RealVector)">setSubVector</a></strong>(int&nbsp;index,
            <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Set a sequence of consecutive elements.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#subtract(org.apache.commons.math3.linear.RealVector)">subtract</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</code>
<div class="block">Subtract <code>v</code> from this vector.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double[]</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#toArray()">toArray</a></strong>()</code>
<div class="block">Convert the vector to an array of <code>double</code>s.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#toString()">toString</a></strong>()</code></td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#walkInDefaultOrder(org.apache.commons.math3.linear.RealVectorChangingVisitor)">walkInDefaultOrder</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorChangingVisitor</a>&nbsp;visitor)</code>
<div class="block">Visits (and possibly alters) all entries of this vector in default order
 (increasing index).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#walkInDefaultOrder(org.apache.commons.math3.linear.RealVectorChangingVisitor, int, int)">walkInDefaultOrder</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorChangingVisitor</a>&nbsp;visitor,
                  int&nbsp;start,
                  int&nbsp;end)</code>
<div class="block">Visits (and possibly alters) some entries of this vector in default order
 (increasing index).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#walkInDefaultOrder(org.apache.commons.math3.linear.RealVectorPreservingVisitor)">walkInDefaultOrder</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorPreservingVisitor</a>&nbsp;visitor)</code>
<div class="block">Visits (but does not alter) all entries of this vector in default order
 (increasing index).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#walkInDefaultOrder(org.apache.commons.math3.linear.RealVectorPreservingVisitor, int, int)">walkInDefaultOrder</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorPreservingVisitor</a>&nbsp;visitor,
                  int&nbsp;start,
                  int&nbsp;end)</code>
<div class="block">Visits (but does not alter) some entries of this vector in default order
 (increasing index).</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#walkInOptimizedOrder(org.apache.commons.math3.linear.RealVectorChangingVisitor)">walkInOptimizedOrder</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorChangingVisitor</a>&nbsp;visitor)</code>
<div class="block">Visits (and possibly alters) all entries of this vector in optimized
 order.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#walkInOptimizedOrder(org.apache.commons.math3.linear.RealVectorChangingVisitor, int, int)">walkInOptimizedOrder</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorChangingVisitor</a>&nbsp;visitor,
                    int&nbsp;start,
                    int&nbsp;end)</code>
<div class="block">Visits (and possibly change) some entries of this vector in optimized
 order.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#walkInOptimizedOrder(org.apache.commons.math3.linear.RealVectorPreservingVisitor)">walkInOptimizedOrder</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorPreservingVisitor</a>&nbsp;visitor)</code>
<div class="block">Visits (but does not alter) all entries of this vector in optimized
 order.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#walkInOptimizedOrder(org.apache.commons.math3.linear.RealVectorPreservingVisitor, int, int)">walkInOptimizedOrder</a></strong>(<a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorPreservingVisitor</a>&nbsp;visitor,
                    int&nbsp;start,
                    int&nbsp;end)</code>
<div class="block">Visits (but does not alter) some entries of this vector in optimized
 order.</div>
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<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#checkIndex(int)">checkIndex</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#checkIndices(int, int)">checkIndices</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#cosine(org.apache.commons.math3.linear.RealVector)">cosine</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getMaxIndex()">getMaxIndex</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getMaxValue()">getMaxValue</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getMinIndex()">getMinIndex</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getMinValue()">getMinValue</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#iterator()">iterator</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#mapAdd(double)">mapAdd</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#mapDivide(double)">mapDivide</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#mapMultiply(double)">mapMultiply</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#mapSubtract(double)">mapSubtract</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#projection(org.apache.commons.math3.linear.RealVector)">projection</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#sparseIterator()">sparseIterator</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#unitize()">unitize</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#unitVector()">unitVector</a>, <a href="../../../../../org/apache/commons/math3/linear/RealVector.html#unmodifiableRealVector(org.apache.commons.math3.linear.RealVector)">unmodifiableRealVector</a></code></li>
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<code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<pre>public&nbsp;ArrayRealVector()</pre>
<div class="block">Build a 0-length vector.
 Zero-length vectors may be used to initialized construction of vectors
 by data gathering. We start with zero-length and use either the <a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(org.apache.commons.math3.linear.ArrayRealVector, org.apache.commons.math3.linear.ArrayRealVector)"><code>ArrayRealVector(ArrayRealVector, ArrayRealVector)</code></a> constructor
 or one of the <code>append</code> method (<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#append(double)"><code>append(double)</code></a>,
 <a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#append(org.apache.commons.math3.linear.ArrayRealVector)"><code>append(ArrayRealVector)</code></a>) to gather data into this vector.</div>
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<pre>public&nbsp;ArrayRealVector(int&nbsp;size)</pre>
<div class="block">Construct a vector of zeroes.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>size</code> - Size of the vector.</dd></dl>
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<pre>public&nbsp;ArrayRealVector(int&nbsp;size,
               double&nbsp;preset)</pre>
<div class="block">Construct a vector with preset values.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>size</code> - Size of the vector</dd><dd><code>preset</code> - All entries will be set with this value.</dd></dl>
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<pre>public&nbsp;ArrayRealVector(double[]&nbsp;d)</pre>
<div class="block">Construct a vector from an array, copying the input array.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>d</code> - Array.</dd></dl>
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<pre>public&nbsp;ArrayRealVector(double[]&nbsp;d,
               boolean&nbsp;copyArray)
                throws <a href="../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></pre>
<div class="block">Create a new ArrayRealVector using the input array as the underlying
 data array.
 If an array is built specially in order to be embedded in a
 ArrayRealVector and not used directly, the <code>copyArray</code> may be
 set to <code>false</code>. This will prevent the copying and improve
 performance as no new array will be built and no data will be copied.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>d</code> - Data for the new vector.</dd><dd><code>copyArray</code> - if <code>true</code>, the input array will be copied,
 otherwise it will be referenced.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></code> - if <code>d</code> is <code>null</code>.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html#ArrayRealVector(double[])"><code>ArrayRealVector(double[])</code></a></dd></dl>
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<pre>public&nbsp;ArrayRealVector(double[]&nbsp;d,
               int&nbsp;pos,
               int&nbsp;size)
                throws <a href="../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a>,
                       <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></pre>
<div class="block">Construct a vector from part of a array.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>d</code> - Array.</dd><dd><code>pos</code> - Position of first entry.</dd><dd><code>size</code> - Number of entries to copy.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></code> - if <code>d</code> is <code>null</code>.</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if the size of <code>d</code> is less
 than <code>pos + size</code>.</dd></dl>
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<pre>public&nbsp;ArrayRealVector(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>[]&nbsp;d)</pre>
<div class="block">Construct a vector from an array.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>d</code> - Array of <code>Double</code>s.</dd></dl>
</li>
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<pre>public&nbsp;ArrayRealVector(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Double.html?is-external=true" title="class or interface in java.lang">Double</a>[]&nbsp;d,
               int&nbsp;pos,
               int&nbsp;size)
                throws <a href="../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a>,
                       <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></pre>
<div class="block">Construct a vector from part of an array.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>d</code> - Array.</dd><dd><code>pos</code> - Position of first entry.</dd><dd><code>size</code> - Number of entries to copy.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></code> - if <code>d</code> is <code>null</code>.</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooLargeException.html" title="class in org.apache.commons.math3.exception">NumberIsTooLargeException</a></code> - if the size of <code>d</code> is less
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                throws <a href="../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></pre>
<div class="block">Construct a vector from another vector, using a deep copy.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - vector to copy.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></code> - if <code>v</code> is <code>null</code>.</dd></dl>
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<pre>public&nbsp;ArrayRealVector(<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v)
                throws <a href="../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></pre>
<div class="block">Construct a vector from another vector, using a deep copy.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector to copy.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NullArgumentException.html" title="class in org.apache.commons.math3.exception">NullArgumentException</a></code> - if <code>v</code> is <code>null</code>.</dd></dl>
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<pre>public&nbsp;ArrayRealVector(<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v,
               boolean&nbsp;deep)</pre>
<div class="block">Construct a vector from another vector.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector to copy.</dd><dd><code>deep</code> - If <code>true</code> perform a deep copy, otherwise perform a
 shallow copy.</dd></dl>
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               <a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v2)</pre>
<div class="block">Construct a vector by appending one vector to another vector.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v1</code> - First vector (will be put in front of the new vector).</dd><dd><code>v2</code> - Second vector (will be put at back of the new vector).</dd></dl>
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<pre>public&nbsp;ArrayRealVector(<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v1,
               <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v2)</pre>
<div class="block">Construct a vector by appending one vector to another vector.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v1</code> - First vector (will be put in front of the new vector).</dd><dd><code>v2</code> - Second vector (will be put at back of the new vector).</dd></dl>
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<pre>public&nbsp;ArrayRealVector(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v1,
               <a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v2)</pre>
<div class="block">Construct a vector by appending one vector to another vector.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v1</code> - First vector (will be put in front of the new vector).</dd><dd><code>v2</code> - Second vector (will be put at back of the new vector).</dd></dl>
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<pre>public&nbsp;ArrayRealVector(<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v1,
               double[]&nbsp;v2)</pre>
<div class="block">Construct a vector by appending one vector to another vector.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v1</code> - First vector (will be put in front of the new vector).</dd><dd><code>v2</code> - Second vector (will be put at back of the new vector).</dd></dl>
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<pre>public&nbsp;ArrayRealVector(double[]&nbsp;v1,
               <a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v2)</pre>
<div class="block">Construct a vector by appending one vector to another vector.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v1</code> - First vector (will be put in front of the new vector).</dd><dd><code>v2</code> - Second vector (will be put at back of the new vector).</dd></dl>
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<pre>public&nbsp;ArrayRealVector(double[]&nbsp;v1,
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<div class="block">Construct a vector by appending one vector to another vector.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v1</code> - first vector (will be put in front of the new vector)</dd><dd><code>v2</code> - second vector (will be put at back of the new vector)</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;copy()</pre>
<div class="block">Returns a (deep) copy of this vector.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#copy()">copy</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>a vector copy.</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;add(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)
                    throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Compute the sum of this vector and <code>v</code>.
 Returns a new vector. Does not change instance data.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#add(org.apache.commons.math3.linear.RealVector)">add</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector to be added.</dd>
<dt><span class="strong">Returns:</span></dt><dd><code>this</code> + <code>v</code>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>v</code> is not the same size as
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;subtract(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)
                         throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Subtract <code>v</code> from this vector.
 Returns a new vector. Does not change instance data.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#subtract(org.apache.commons.math3.linear.RealVector)">subtract</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector to be subtracted.</dd>
<dt><span class="strong">Returns:</span></dt><dd><code>this</code> - <code>v</code>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>v</code> is not the same size as
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;map(<a href="../../../../../org/apache/commons/math3/analysis/UnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">UnivariateFunction</a>&nbsp;function)</pre>
<div class="block">Acts as if implemented as:
 <pre>
  return copy().mapToSelf(function);
 </pre>
 Returns a new vector. Does not change instance data.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#map(org.apache.commons.math3.analysis.UnivariateFunction)">map</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>function</code> - Function to apply to each entry.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a new vector.</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;mapToSelf(<a href="../../../../../org/apache/commons/math3/analysis/UnivariateFunction.html" title="interface in org.apache.commons.math3.analysis">UnivariateFunction</a>&nbsp;function)</pre>
<div class="block">Acts as if it is implemented as:
 <pre>
  Entry e = null;
  for(Iterator<Entry> it = iterator(); it.hasNext(); e = it.next()) {
      e.setValue(function.value(e.getValue()));
  }
 </pre>
 Entries of this vector are modified in-place by this method.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#mapToSelf(org.apache.commons.math3.analysis.UnivariateFunction)">mapToSelf</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>function</code> - Function to apply to each entry.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a reference to this vector.</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;mapAddToSelf(double&nbsp;d)</pre>
<div class="block">Add a value to each entry.
 The instance is changed in-place.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#mapAddToSelf(double)">mapAddToSelf</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>d</code> - Value to be added to each entry.</dd>
<dt><span class="strong">Returns:</span></dt><dd><code>this</code>.</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;mapSubtractToSelf(double&nbsp;d)</pre>
<div class="block">Subtract a value from each entry.
 The instance is changed in-place.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#mapSubtractToSelf(double)">mapSubtractToSelf</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>d</code> - Value to be subtracted.</dd>
<dt><span class="strong">Returns:</span></dt><dd><code>this</code>.</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;mapMultiplyToSelf(double&nbsp;d)</pre>
<div class="block">Multiply each entry.
 The instance is changed in-place.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#mapMultiplyToSelf(double)">mapMultiplyToSelf</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>d</code> - Multiplication factor.</dd>
<dt><span class="strong">Returns:</span></dt><dd><code>this</code>.</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;mapDivideToSelf(double&nbsp;d)</pre>
<div class="block">Divide each entry by the argument.
 The instance is changed in-place.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#mapDivideToSelf(double)">mapDivideToSelf</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>d</code> - Value to divide by.</dd>
<dt><span class="strong">Returns:</span></dt><dd><code>this</code>.</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;ebeMultiply(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)
                            throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Element-by-element multiplication.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#ebeMultiply(org.apache.commons.math3.linear.RealVector)">ebeMultiply</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector by which instance elements must be multiplied</dd>
<dt><span class="strong">Returns:</span></dt><dd>a vector containing this[i] * v[i] for all i.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>v</code> is not the same size as
 <code>this</code> vector.</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;ebeDivide(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)
                          throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Element-by-element division.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#ebeDivide(org.apache.commons.math3.linear.RealVector)">ebeDivide</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector by which instance elements must be divided.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a vector containing this[i] / v[i] for all i.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>v</code> is not the same size as
 <code>this</code> vector.</dd></dl>
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<pre>public&nbsp;double[]&nbsp;getDataRef()</pre>
<div class="block">Get a reference to the underlying data array.
 This method does not make a fresh copy of the underlying data.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the array of entries.</dd></dl>
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<pre>public&nbsp;double&nbsp;dotProduct(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)
                  throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Compute the dot product of this vector with <code>v</code>.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#dotProduct(org.apache.commons.math3.linear.RealVector)">dotProduct</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector with which dot product should be computed</dd>
<dt><span class="strong">Returns:</span></dt><dd>the scalar dot product between this instance and <code>v</code>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>v</code> is not the same size as
 <code>this</code> vector.</dd></dl>
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<pre>public&nbsp;double&nbsp;getNorm()</pre>
<div class="block">Returns the L<sub>2</sub> norm of the vector.
 <p>The L<sub>2</sub> norm is the root of the sum of
 the squared elements.</p></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getNorm()">getNorm</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the norm.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getL1Norm()"><code>RealVector.getL1Norm()</code></a>, 
<a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getLInfNorm()"><code>RealVector.getLInfNorm()</code></a>, 
<a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getDistance(org.apache.commons.math3.linear.RealVector)"><code>RealVector.getDistance(RealVector)</code></a></dd></dl>
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<pre>public&nbsp;double&nbsp;getL1Norm()</pre>
<div class="block">Returns the L<sub>1</sub> norm of the vector.
 <p>The L<sub>1</sub> norm is the sum of the absolute
 values of the elements.</p></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getL1Norm()">getL1Norm</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the norm.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getNorm()"><code>RealVector.getNorm()</code></a>, 
<a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getLInfNorm()"><code>RealVector.getLInfNorm()</code></a>, 
<a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getL1Distance(org.apache.commons.math3.linear.RealVector)"><code>RealVector.getL1Distance(RealVector)</code></a></dd></dl>
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<pre>public&nbsp;double&nbsp;getLInfNorm()</pre>
<div class="block">Returns the L<sub>&infin;</sub> norm of the vector.
 <p>The L<sub>&infin;</sub> norm is the max of the absolute
 values of the elements.</p></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getLInfNorm()">getLInfNorm</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the norm.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getNorm()"><code>RealVector.getNorm()</code></a>, 
<a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getL1Norm()"><code>RealVector.getL1Norm()</code></a>, 
<a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getLInfDistance(org.apache.commons.math3.linear.RealVector)"><code>RealVector.getLInfDistance(RealVector)</code></a></dd></dl>
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<pre>public&nbsp;double&nbsp;getDistance(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)
                   throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Distance between two vectors.
 <p>This method computes the distance consistent with the
 L<sub>2</sub> norm, i.e. the square root of the sum of
 element differences, or Euclidean distance.</p></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getDistance(org.apache.commons.math3.linear.RealVector)">getDistance</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector to which distance is requested.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the distance between two vectors.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>v</code> is not the same size as
 <code>this</code> vector.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getL1Distance(org.apache.commons.math3.linear.RealVector)"><code>RealVector.getL1Distance(RealVector)</code></a>, 
<a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getLInfDistance(org.apache.commons.math3.linear.RealVector)"><code>RealVector.getLInfDistance(RealVector)</code></a>, 
<a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getNorm()"><code>RealVector.getNorm()</code></a></dd></dl>
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<pre>public&nbsp;double&nbsp;getL1Distance(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)
                     throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Distance between two vectors.
 <p>This method computes the distance consistent with
 L<sub>1</sub> norm, i.e. the sum of the absolute values of
 the elements differences.</p></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getL1Distance(org.apache.commons.math3.linear.RealVector)">getL1Distance</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector to which distance is requested.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the distance between two vectors.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>v</code> is not the same size as
 <code>this</code> vector.</dd></dl>
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<pre>public&nbsp;double&nbsp;getLInfDistance(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)
                       throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Distance between two vectors.
 <p>This method computes the distance consistent with
 L<sub>&infin;</sub> norm, i.e. the max of the absolute values of
 element differences.</p></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getLInfDistance(org.apache.commons.math3.linear.RealVector)">getLInfDistance</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector to which distance is requested.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the distance between two vectors.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>v</code> is not the same size as
 <code>this</code> vector.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getDistance(org.apache.commons.math3.linear.RealVector)"><code>RealVector.getDistance(RealVector)</code></a>, 
<a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getL1Distance(org.apache.commons.math3.linear.RealVector)"><code>RealVector.getL1Distance(RealVector)</code></a>, 
<a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getLInfNorm()"><code>RealVector.getLInfNorm()</code></a></dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/RealMatrix.html" title="interface in org.apache.commons.math3.linear">RealMatrix</a>&nbsp;outerProduct(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</pre>
<div class="block">Compute the outer product.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#outerProduct(org.apache.commons.math3.linear.RealVector)">outerProduct</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector with which outer product should be computed.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the matrix outer product between this instance and <code>v</code>.</dd></dl>
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<pre>public&nbsp;double&nbsp;getEntry(int&nbsp;index)
                throws <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></pre>
<div class="block">Return the entry at the specified index.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getEntry(int)">getEntry</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>index</code> - Index location of entry to be fetched.</dd>
<dt><span class="strong">Returns:</span></dt><dd>the vector entry at <code>index</code>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if the index is not valid.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#setEntry(int, double)"><code>RealVector.setEntry(int, double)</code></a></dd></dl>
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<pre>public&nbsp;int&nbsp;getDimension()</pre>
<div class="block">Returns the size of the vector.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getDimension()">getDimension</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>the size of this vector.</dd></dl>
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<h4>append</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;append(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)</pre>
<div class="block">Construct a new vector by appending a vector to this vector.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#append(org.apache.commons.math3.linear.RealVector)">append</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - vector to append to this one.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a new vector.</dd></dl>
</li>
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<a name="append(org.apache.commons.math3.linear.ArrayRealVector)">
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;append(<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;v)</pre>
<div class="block">Construct a vector by appending a vector to this vector.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector to append to this one.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a new vector.</dd></dl>
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<a name="append(double)">
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;append(double&nbsp;in)</pre>
<div class="block">Construct a new vector by appending a double to this vector.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#append(double)">append</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>in</code> - double to append.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a new vector.</dd></dl>
</li>
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<a name="getSubVector(int, int)">
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<h4>getSubVector</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;getSubVector(int&nbsp;index,
                      int&nbsp;n)
                        throws <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a>,
                               <a href="../../../../../org/apache/commons/math3/exception/NotPositiveException.html" title="class in org.apache.commons.math3.exception">NotPositiveException</a></pre>
<div class="block">Get a subvector from consecutive elements.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getSubVector(int, int)">getSubVector</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>index</code> - index of first element.</dd><dd><code>n</code> - number of elements to be retrieved.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a vector containing n elements.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if the index is not valid.</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NotPositiveException.html" title="class in org.apache.commons.math3.exception">NotPositiveException</a></code> - if the number of elements is not positive.</dd></dl>
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<h4>setEntry</h4>
<pre>public&nbsp;void&nbsp;setEntry(int&nbsp;index,
            double&nbsp;value)
              throws <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></pre>
<div class="block">Set a single element.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#setEntry(int, double)">setEntry</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>index</code> - element index.</dd><dd><code>value</code> - new value for the element.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if the index is not valid.</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#getEntry(int)"><code>RealVector.getEntry(int)</code></a></dd></dl>
</li>
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<a name="addToEntry(int, double)">
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<h4>addToEntry</h4>
<pre>public&nbsp;void&nbsp;addToEntry(int&nbsp;index,
              double&nbsp;increment)
                throws <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></pre>
<div class="block">Change an entry at the specified index.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#addToEntry(int, double)">addToEntry</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>index</code> - Index location of entry to be set.</dd><dd><code>increment</code> - Value to add to the vector entry.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if the index is not valid.</dd></dl>
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<h4>setSubVector</h4>
<pre>public&nbsp;void&nbsp;setSubVector(int&nbsp;index,
                <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)
                  throws <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></pre>
<div class="block">Set a sequence of consecutive elements.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#setSubVector(int, org.apache.commons.math3.linear.RealVector)">setSubVector</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>index</code> - index of first element to be set.</dd><dd><code>v</code> - vector containing the values to set.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if the index is not valid.</dd></dl>
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<pre>public&nbsp;void&nbsp;setSubVector(int&nbsp;index,
                double[]&nbsp;v)
                  throws <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></pre>
<div class="block">Set a set of consecutive elements.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>index</code> - Index of first element to be set.</dd><dd><code>v</code> - Vector containing the values to set.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if the index is inconsistent with the vector
 size.</dd></dl>
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<h4>set</h4>
<pre>public&nbsp;void&nbsp;set(double&nbsp;value)</pre>
<div class="block">Set all elements to a single value.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#set(double)">set</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>value</code> - Single value to set for all elements.</dd></dl>
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<pre>public&nbsp;double[]&nbsp;toArray()</pre>
<div class="block">Convert the vector to an array of <code>double</code>s.
 The array is independent from this vector data: the elements
 are copied.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#toArray()">toArray</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd>an array containing a copy of the vector elements.</dd></dl>
</li>
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<a name="toString()">
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<pre>public&nbsp;<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;toString()</pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
</dl>
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<pre>protected&nbsp;void&nbsp;checkVectorDimensions(<a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;v)
                              throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Check if instance and specified vectors have the same dimension.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#checkVectorDimensions(org.apache.commons.math3.linear.RealVector)">checkVectorDimensions</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>v</code> - Vector to compare instance with.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the vectors do not
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<pre>protected&nbsp;void&nbsp;checkVectorDimensions(int&nbsp;n)
                              throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Check if instance dimension is equal to some expected value.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#checkVectorDimensions(int)">checkVectorDimensions</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>n</code> - Expected dimension.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if the dimension is
 inconsistent with vector size.</dd></dl>
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<pre>public&nbsp;boolean&nbsp;isNaN()</pre>
<div class="block">Check if any coordinate of this vector is <code>NaN</code>.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#isNaN()">isNaN</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd><code>true</code> if any coordinate of this vector is <code>NaN</code>,
 <code>false</code> otherwise.</dd></dl>
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<pre>public&nbsp;boolean&nbsp;isInfinite()</pre>
<div class="block">Check whether any coordinate of this vector is infinite and none
 are <code>NaN</code>.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#isInfinite()">isInfinite</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Returns:</span></dt><dd><code>true</code> if any coordinate of this vector is infinite and
 none are <code>NaN</code>, <code>false</code> otherwise.</dd></dl>
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<pre>public&nbsp;boolean&nbsp;equals(<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;other)</pre>
<div class="block"><p>
 Test for the equality of two real vectors. If all coordinates of two real
 vectors are exactly the same, and none are <code>NaN</code>, the two real
 vectors are considered to be equal. <code>NaN</code> coordinates are
 considered to affect globally the vector and be equals to each other -
 i.e, if either (or all) coordinates of the real vector are equal to
 <code>NaN</code>, the real vector is equal to a vector with all <code>NaN</code>
 coordinates.
 </p>
 <p>
 This method <em>must</em> be overriden by concrete subclasses of
 <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear"><code>RealVector</code></a> (the current implementation throws an exception).
 </p></div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#equals(java.lang.Object)">equals</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>other</code> - Object to test for equality.</dd>
<dt><span class="strong">Returns:</span></dt><dd><code>true</code> if two vector objects are equal, <code>false</code> if
 <code>other</code> is null, not an instance of <code>RealVector</code>, or
 not equal to this <code>RealVector</code> instance.</dd></dl>
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<h4>hashCode</h4>
<pre>public&nbsp;int&nbsp;hashCode()</pre>
<div class="block">. This method <em>must</em> be overriden by concrete
 subclasses of <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear"><code>RealVector</code></a> (current implementation throws an
 exception). All <code>NaN</code> values have the same hash code.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#hashCode()">hashCode</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;combine(double&nbsp;a,
                      double&nbsp;b,
                      <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;y)
                        throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Returns a new vector representing <code>a * this + b * y</code>, the linear
 combination of <code>this</code> and <code>y</code>.
 Returns a new vector. Does not change instance data.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#combine(double, double, org.apache.commons.math3.linear.RealVector)">combine</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>a</code> - Coefficient of <code>this</code>.</dd><dd><code>b</code> - Coefficient of <code>y</code>.</dd><dd><code>y</code> - Vector with which <code>this</code> is linearly combined.</dd>
<dt><span class="strong">Returns:</span></dt><dd>a vector containing <code>a * this[i] + b * y[i]</code> for all
 <code>i</code>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>y</code> is not the same size as
 <code>this</code> vector.</dd></dl>
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<pre>public&nbsp;<a href="../../../../../org/apache/commons/math3/linear/ArrayRealVector.html" title="class in org.apache.commons.math3.linear">ArrayRealVector</a>&nbsp;combineToSelf(double&nbsp;a,
                            double&nbsp;b,
                            <a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a>&nbsp;y)
                              throws <a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></pre>
<div class="block">Updates <code>this</code> with the linear combination of <code>this</code> and
 <code>y</code>.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#combineToSelf(double, double, org.apache.commons.math3.linear.RealVector)">combineToSelf</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>a</code> - Weight of <code>this</code>.</dd><dd><code>b</code> - Weight of <code>y</code>.</dd><dd><code>y</code> - Vector with which <code>this</code> is linearly combined.</dd>
<dt><span class="strong">Returns:</span></dt><dd><code>this</code>, with components equal to
 <code>a * this[i] + b * y[i]</code> for all <code>i</code>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/DimensionMismatchException.html" title="class in org.apache.commons.math3.exception">DimensionMismatchException</a></code> - if <code>y</code> is not the same size as
 <code>this</code> vector.</dd></dl>
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<pre>public&nbsp;double&nbsp;walkInDefaultOrder(<a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorPreservingVisitor</a>&nbsp;visitor)</pre>
<div class="block">Visits (but does not alter) all entries of this vector in default order
 (increasing index).</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#walkInDefaultOrder(org.apache.commons.math3.linear.RealVectorPreservingVisitor)">walkInDefaultOrder</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>visitor</code> - the visitor to be used to process the entries of this
 vector</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value returned by <a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html#end()"><code>RealVectorPreservingVisitor.end()</code></a>
 at the end of the walk</dd></dl>
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<pre>public&nbsp;double&nbsp;walkInDefaultOrder(<a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorPreservingVisitor</a>&nbsp;visitor,
                        int&nbsp;start,
                        int&nbsp;end)
                          throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a>,
                                 <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></pre>
<div class="block">Visits (but does not alter) some entries of this vector in default order
 (increasing index).</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#walkInDefaultOrder(org.apache.commons.math3.linear.RealVectorPreservingVisitor, int, int)">walkInDefaultOrder</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>visitor</code> - visitor to be used to process the entries of this vector</dd><dd><code>start</code> - the index of the first entry to be visited</dd><dd><code>end</code> - the index of the last entry to be visited (inclusive)</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value returned by <a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html#end()"><code>RealVectorPreservingVisitor.end()</code></a>
 at the end of the walk</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a></code> - if <code>end &lt; start</code>.</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if the indices are not valid.</dd></dl>
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<pre>public&nbsp;double&nbsp;walkInOptimizedOrder(<a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorPreservingVisitor</a>&nbsp;visitor)</pre>
<div class="block">Visits (but does not alter) all entries of this vector in optimized
 order. The order in which the entries are visited is selected so as to
 lead to the most efficient implementation; it might depend on the
 concrete implementation of this abstract class.

 In this implementation, the optimized order is the default order.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#walkInOptimizedOrder(org.apache.commons.math3.linear.RealVectorPreservingVisitor)">walkInOptimizedOrder</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>visitor</code> - the visitor to be used to process the entries of this
 vector</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value returned by <a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html#end()"><code>RealVectorPreservingVisitor.end()</code></a>
 at the end of the walk</dd></dl>
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<pre>public&nbsp;double&nbsp;walkInOptimizedOrder(<a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorPreservingVisitor</a>&nbsp;visitor,
                          int&nbsp;start,
                          int&nbsp;end)
                            throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a>,
                                   <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></pre>
<div class="block">Visits (but does not alter) some entries of this vector in optimized
 order. The order in which the entries are visited is selected so as to
 lead to the most efficient implementation; it might depend on the
 concrete implementation of this abstract class.

 In this implementation, the optimized order is the default order.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#walkInOptimizedOrder(org.apache.commons.math3.linear.RealVectorPreservingVisitor, int, int)">walkInOptimizedOrder</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>visitor</code> - visitor to be used to process the entries of this vector</dd><dd><code>start</code> - the index of the first entry to be visited</dd><dd><code>end</code> - the index of the last entry to be visited (inclusive)</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value returned by <a href="../../../../../org/apache/commons/math3/linear/RealVectorPreservingVisitor.html#end()"><code>RealVectorPreservingVisitor.end()</code></a>
 at the end of the walk</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a></code> - if <code>end &lt; start</code>.</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if the indices are not valid.</dd></dl>
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<pre>public&nbsp;double&nbsp;walkInDefaultOrder(<a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorChangingVisitor</a>&nbsp;visitor)</pre>
<div class="block">Visits (and possibly alters) all entries of this vector in default order
 (increasing index).</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#walkInDefaultOrder(org.apache.commons.math3.linear.RealVectorChangingVisitor)">walkInDefaultOrder</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>visitor</code> - the visitor to be used to process and modify the entries
 of this vector</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value returned by <a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html#end()"><code>RealVectorChangingVisitor.end()</code></a>
 at the end of the walk</dd></dl>
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<pre>public&nbsp;double&nbsp;walkInDefaultOrder(<a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorChangingVisitor</a>&nbsp;visitor,
                        int&nbsp;start,
                        int&nbsp;end)
                          throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a>,
                                 <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></pre>
<div class="block">Visits (and possibly alters) some entries of this vector in default order
 (increasing index).</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#walkInDefaultOrder(org.apache.commons.math3.linear.RealVectorChangingVisitor, int, int)">walkInDefaultOrder</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>visitor</code> - visitor to be used to process the entries of this vector</dd><dd><code>start</code> - the index of the first entry to be visited</dd><dd><code>end</code> - the index of the last entry to be visited (inclusive)</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value returned by <a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html#end()"><code>RealVectorChangingVisitor.end()</code></a>
 at the end of the walk</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a></code> - if <code>end &lt; start</code>.</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if the indices are not valid.</dd></dl>
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<pre>public&nbsp;double&nbsp;walkInOptimizedOrder(<a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorChangingVisitor</a>&nbsp;visitor)</pre>
<div class="block">Visits (and possibly alters) all entries of this vector in optimized
 order. The order in which the entries are visited is selected so as to
 lead to the most efficient implementation; it might depend on the
 concrete implementation of this abstract class.

 In this implementation, the optimized order is the default order.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#walkInOptimizedOrder(org.apache.commons.math3.linear.RealVectorChangingVisitor)">walkInOptimizedOrder</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>visitor</code> - the visitor to be used to process the entries of this
 vector</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value returned by <a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html#end()"><code>RealVectorChangingVisitor.end()</code></a>
 at the end of the walk</dd></dl>
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<pre>public&nbsp;double&nbsp;walkInOptimizedOrder(<a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html" title="interface in org.apache.commons.math3.linear">RealVectorChangingVisitor</a>&nbsp;visitor,
                          int&nbsp;start,
                          int&nbsp;end)
                            throws <a href="../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a>,
                                   <a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></pre>
<div class="block">Visits (and possibly change) some entries of this vector in optimized
 order. The order in which the entries are visited is selected so as to
 lead to the most efficient implementation; it might depend on the
 concrete implementation of this abstract class.

 In this implementation, the optimized order is the default order.</div>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html#walkInOptimizedOrder(org.apache.commons.math3.linear.RealVectorChangingVisitor, int, int)">walkInOptimizedOrder</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/commons/math3/linear/RealVector.html" title="class in org.apache.commons.math3.linear">RealVector</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>visitor</code> - visitor to be used to process the entries of this vector</dd><dd><code>start</code> - the index of the first entry to be visited</dd><dd><code>end</code> - the index of the last entry to be visited (inclusive)</dd>
<dt><span class="strong">Returns:</span></dt><dd>the value returned by <a href="../../../../../org/apache/commons/math3/linear/RealVectorChangingVisitor.html#end()"><code>RealVectorChangingVisitor.end()</code></a>
 at the end of the walk</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/NumberIsTooSmallException.html" title="class in org.apache.commons.math3.exception">NumberIsTooSmallException</a></code> - if <code>end &lt; start</code>.</dd>
<dd><code><a href="../../../../../org/apache/commons/math3/exception/OutOfRangeException.html" title="class in org.apache.commons.math3.exception">OutOfRangeException</a></code> - if the indices are not valid.</dd></dl>
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